powerpc/iommu/vfio_spapr_tce: Cleanup iommu_table disposal

[mirror_ubuntu-zesty-kernel.git] / kernel / watchdog_hld.c

diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index 84016c8aee6b5d2769495a8c6eee0b4ac559b1a6..12b8dd64078655dd9004d03caa8167da16b57cf5 100644 (file)
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -84,6 +84,9 @@ static void watchdog_overflow_callback(struct perf_event *event,
        /* Ensure the watchdog never gets throttled */
        event->hw.interrupts = 0;
 
+       if (atomic_read(&watchdog_park_in_progress) != 0)
+               return;
+
        if (__this_cpu_read(watchdog_nmi_touch) == true) {
                __this_cpu_write(watchdog_nmi_touch, false);
                return;